How I redirect python stdout to C stdin using pipelines in linux

Posted by Robinson on Stack Overflow See other posts from Stack Overflow or by Robinson
Published on 2010-05-16T07:17:36Z Indexed on 2010/05/16 7:20 UTC
Read the original article Hit count: 287

Filed under:

stdin

|

stdout

|

redirect

I have a python script and I want to use the output of it to be the input of other C program. I want to use pipelines, sintax would be:

python_script.py | C_program

but I don't know how to redirect the pythons stdout to C stdin

Related posts about stdout

redirect temporarily STDOUT to another file descriptor, but still to screen

as seen on Server Fault - Search for 'Server Fault'
I'm making a script that executes some commands inside, and these commands show some output on STDOUT (and STDERR as well, but that's no problem). I need that my script generates a .tar.gz file to STDOUT, so the output of some commands executed in the script also go to STDOUT and this ends with a… >>> More
sys.stdout not reassigning to sys.__stdout__

as seen on Stack Overflow - Search for 'Stack Overflow'
I'm pretty new to Python so I am still just learning the language. One of the things I came across was reassigning sys.stdout to change the default output of print. So I wrote this as a test: import sys sys.stdout = open('log.txt','a') print('hey') sys.stdout.close() sys.stdout = sys.__stdout__ print('hi') Now… >>> More
mod_perl loses STDOUT in middle of request

as seen on Server Fault - Search for 'Server Fault'
Hi, I have been having this weird issue where mod_perl seems to lose STDOUT in the middle of the request. So far I have eliminated everything I could think of. You might have seen this bug related to the following errors in error_log : Apache2 IO flush: (103) Apache2::RequestIO::read: (104) Software… >>> More
How can I capture output from LFTP? (Output not written to STDOUT or STDERR?)

as seen on Server Fault - Search for 'Server Fault'
I would like get access to progress information from lftp. Currently, I'm using curl like so: curl http://example.com/file -o file -L 2> download.log This writes curl's progress information to the download.log file, which I can tail to get real-time progress. But the same approach doesn't work… >>> More
user crontabs don't work, only /etc/crontab

as seen on Super User - Search for 'Super User'
Hi when I use the command crontab -e to set up cron, the commands get triggered (according to syslog) but nothing happens. Also if I run sudo crontab -e. The only way to actually get cron working is to manually etc /etc/crontab I'm confused, since syslog gives me the same output for both methods… >>> More

Developer IT

How I redirect python stdout to C stdin using pipelines in linux - Developer IT

How I redirect python stdout to C stdin using pipelines in linux

stdin

stdout

redirect

Related posts about stdin

Python: UnicodeEncodeError when reading from stdin

Is STDIN limited in langth?

Is stdin limited in length?

Is it possible to distribute STDIN over parallel processes?

How to read STDIN into string variable until EOF in C?

Related posts about stdout

redirect temporarily STDOUT to another file descriptor, but still to screen

sys.stdout not reassigning to sys.stdout

mod_perl loses STDOUT in middle of request

How can I capture output from LFTP? (Output not written to STDOUT or STDERR?)

user crontabs don't work, only /etc/crontab

Categories cloud